<template>
	<div>
		<!-- 面包屑导航 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
			<el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
			<el-breadcrumb-item>商品管理</el-breadcrumb-item>
			<el-breadcrumb-item>商品列表</el-breadcrumb-item>
		</el-breadcrumb>
		<el-card>
			<el-row :gutter="20">
				<el-col :span="8">
					<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="GetGoodsList">
						<el-button slot="append" icon="el-icon-search" @click="GetGoodsList"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="addGoods">添加商品</el-button>
				</el-col>
			</el-row>
			<el-table :data="goodslist" border stripe>
				<el-table-column type="index" label="#"></el-table-column>
				<el-table-column label="商品名称" prop="goods_name"></el-table-column>
				<el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
				<el-table-column label="商品数量" prop="goods_number" width="100px"></el-table-column>
				<el-table-column label="创建时间" prop="add_time" width="200px">
					<template slot-scope="scope">
						{{scope.row.add_time|dataFormat}}
					</template>
				</el-table-column>
				<el-table-column label="操作" width="200px">
					<template slot-scope="scope">
						<el-button type="primary" icon="el-icon-edit" size="medium"></el-button>
						<el-button type="danger" icon="el-icon-delete" size="medium" @click="delgoods(scope.row.goods_id)"></el-button>
					</template>
				</el-table-column>
			</el-table>
			<el-pagination @size-change="handleSizeChange" 
			@current-change="handleCurrentChange" 
			:current-page="queryInfo.pagenum"
			 :page-sizes="[1, 2, 5, 10]" 
			 :page-size="queryInfo.pagesize" 
			 layout="total, sizes, prev, pager, next, jumper" 
			 :total="total" background>
			</el-pagination>
		</el-card>
	</div>
</template>

<script>
	export default{
		data(){
			return{
				queryInfo:{
					query:'',
					pagenum:1,
					pagesize:5
				},
				goodslist:[],
				total:0
			}
		},
		created() {
			this.GetGoodsList()
		},
		methods:{
			async GetGoodsList(){
				const{data:res}=await this.$http.get('goods',{
					params:this.queryInfo
				})
				if (res.meta.status !== 200) {
					return this.$message.error('商品列表获取失败!')
				}
				this.$message.success('商品列表获取成功!')
				this.goodslist = res.data.goods
				this.total = res.data.total
				console.log(res)
			},
			handleSizeChange(newSize){
				console.log(newSize)
				this.queryInfo.pagesize = newSize
				this.GetGoodsList()
			},
			//监听页码值改变
			handleCurrentChange(newPage) {
				console.log(newPage)
				this.queryInfo.pagenum = newPage
				this.GetGoodsList()
			},
			async delgoods(id){
				/* 弹框询问是否删除 */
				const delresult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '删除提示', {
					confirmButtonText: '确定',
					cancelButtonText: '取消',
					type: 'warning'
				}).catch(err => err)
				//如果用户确认删除，返回字符串confirm
				//如果用户取消删除，返回字符串cancel
				/* console.log(delresult) */
				if (delresult !== 'confirm') {
					return this.$message.info('已经取消删除！')
				}
				/* console.log('确认删除') */
				const {
					data: res
				} = await this.$http.delete('goods/' + id)
				if (res.meta.status !== 200) {
					this.$message.error('删除用户失败!')
				}
				this.$message.success('、删除用户成功!')
				//重新获取用户列表
				this.GetGoodsList()
			},
			//添加商品
			addGoods(){
				this.$router.push('/goods/add')
			}
		}
	}
</script>

<style lang="less" scoped>
</style>
